Patent EP0274376A2 successfully refreshed from Google Patents.
EP0274376A2
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EP
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Image processing system
Assignee: Ezel Inc
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Filing: 1988-01-04
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Granted: —
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Expires: 2008-01-04
Abstract
Abstract An image processing system, comprising an input portion to which pixel data is inputted, a convolution processing portion processing each set of pixels in a predetermined convolution area so as to output a processed data by every predetermined convolution area, a computational portion for calculating a parameter necessary for a image processing according to the processed data from the convolution processing portion and a converting portion which comprises a selecting means, to which the output of the computational portion is inputted, a high speed memory to which the output of the selecting means is inputted and a lightly computaional portion for lightly computation to which the output of the high speed memory is inputted and the output of which is inputted to the selecting means.
Inventors
- 👤 Ryohei Kumagai
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 20:06
CPC Classifications
G; G06; G06T; G06T5/00; G06T5/20; G06F; G06F17/00; G06F17/10; G06F17/15; G06F17/153
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
147 words
An image processing system, comprising; an input portion (1) to which pixel data is inputted; a convolution processing portion (2) processing each set of pixels in a predetermined convolution area so as to output a processed data by every predetermined convolution area; a computational portion (3), having an output, for calculating a parameter necessary for a image processing according to said processed data from said convolution processing portion; and a converting portion (4) which comprises a selecting means, having an output, to which said output of said computational portion (3) is inputted, a high speed memory (20), having an output, to which said output of said selecting means (23) is inputted and a lightly computational portion (21) for lightly computation, having an output, to which said output of said high speed memory (20) is inputted and said output of which is inputted to said selecting means (23).
Claim 2
Dependent Claim
147 words
An image processing system, comprising; an input portion (1) to which pixel data is inputted; a convolution processing portion (2) processing each set of pixels in a predetermined convolution area so as to output a processed data by every predetermined convolution area; a computational portion (3), having an output, for calculating a parameter necessary for a image processing according to said processed data from said convolution processing portion; and a converting portion (4) which comprises a selecting means, having an output, to which said output of said computational portion (3) is inputted, a high speed memory (20), having an output, to which said output of said selecting means (23) is inputted and a lightly computational portion (21) for lightly computation, having an output, to which said output of said high speed memory (20) is inputted and said output of which is inputted to said selecting means (23).
Claim 3
Dependent Claim
48 words
An image processing system according to Claim 1, said computational portion (3) comprising: a status computational portion (10A) for obtaining low number of bits information indicating evaluation of each pixel; and a numerical computational portion (10) for processing the pixel value as a parameter for necessary image processing.
Claim 4
Dependent Claim
30 words
An image processing system according to Claim 1, said selecting means (23) selecting said output of said computational portion (3) or said output of said lightly computational portion (21), alternatively.
Claim 5
Dependent Claim
103 words
An image processing system according to Claim 2, said numerical computational portion (10) comprising; a multiplication portion (11), having an output, to which a plurality of pixel data are inputted and which multiplies said pixel data by multiplier; a distributing portion (12) having inputs each of which is connected to said output of said multiplication portion, said distributing portion (12) having outputs number of which is not less than that of said inputs and each of said input is introduced to any one or plurality of said outputs; and an integration portion (13) for numerically integrating said output of said distributing portion (12).
Claim 6
Dependent Claim
98 words
An image processing system according to Claim 1, said convolution processing portion (2) comprising; a plurality of line memories (5,6) delaying said pixel data by one raster, the first of which is connected to said input portion (1), and the second of which and the other thereafter being connecting to the output of the previous line memory; and a delay portion (7,8,9) for delaying predetermined number of serial pixel data one after one and for outputting said pixel data simultaneously in parallel, said delay portion (7,8,9) connected to output or input of one of said line memories (5,6).
Claim 7
Dependent Claim
81 words
An image processing system according to Claim 5, said convolution processing portion (2) comprising; a first delay portion (7) connected to said input portion (1); a first line memory (5) connected to said input portion (1); a second delay portion connected to the output of said first line memory (5); a second line memory (6) connected to the output of said first line memory (5); and a third delay portion (9) connected to the output of said second line memory (6).
Claim 8
Dependent Claim
17 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising an adder (26).
Claim 9
Dependent Claim
17 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising an subtractor (27).
Claim 10
Dependent Claim
19 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising a maximum abstracting portion (28).
Claim 11
Dependent Claim
19 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising a minimum abstracting portion (29).
Claim 12
Dependent Claim
18 words
An image processing system according to Claim 1, said converting portion comprising a plurality of converting portions (4A,4B,4C,4D).
Claim 13
Dependent Claim
60 words
An image processing system according to Claim 1, said converting portion (4) further comprising a selecting means (23) connected to the input of said lightly computational portion (21) other than said input connected to said high speed memory, (20) so that said output of said high speed memory (20) is computated together with data selected by said selecting means (23).
Claim 14
Dependent Claim
44 words
An image processing system according to Claim 1, said converting portion (4) further comprising a selecting means (23) connected to the address input of said high speed memory (20), so that one of a plurality of data is selectively inputted to said address input.
Claim 15
Dependent Claim
45 words
An image processing system according to Claim 12, said converting portion (4) comprising a plurality of converting portions (4A,4B,4C,4D), each having an output, and a selecting means (25) to which said outputs commonly connected and which transmits selected output to said lightly computational portion (21).
Claim 16
Dependent Claim
91 words
An image processing system according to Claim 1, said converting portion (4) comprising three converting portions (4A,4B,4C) lightly computational portion (21) of an adder, to said adder of (26A) the first of said converting portions (4A) being inputted x coordinate of said pixel data, to said adder (26B) of the second (4B) of said converting portions being inputted y coordinate of said pixel data, and to said adder (26C) of the third (4C) of said converting portions being increased stepwise, so that the center of gravity of a configuration is calculated.
Claim 17
Dependent Claim
110 words
An image processing system according to Claim 1, said converting portion (4) comprising four converting portions (4A,4B,4C,4D) two of which has said lightly computational portion (21) comprising maximum abstracting portion (28) and the other two of which has said lightly computational portion (21) comprising minimum abstracting portion (29), one of said maximum abstracting portions (28) being inputted x coordinate of said pixel data, the coordinate of said pixel data, one of said minimum abstracting portion (29) being inputted x coordinate of said pixel data, the other of said minimum abstracting (29) portion being inputted y coordinate of said pixel data, so that the fillet diameter of a configuration is calculated.
Claim 18
Dependent Claim
55 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising an adder, a labelling number being inputted to an address input of said high speed memory (20), said adder increasing data stepwise accumulated in an address corresponding to said labelling number, so that the area of each labelling area is calculated.
Claim 19
Dependent Claim
154 words
An image processing system according to Claim 1, said converting portion (4) comprising two converting portions, a labelling number being inputted from said computational portion (3) to an address input of said high speed memory of each of said converting portion (4), x and y coordinates being inputted to the data input of said high speed memory of each of said converting portions, respectively, CS and WE signals being inputted from said computational portion (4) to said high speed memory (20) for determining the writing timing of said x and y coordinate so as to resister the start and end points of each labelling area, said computational portion (3) writing neighborhood information of said pixel data, indicating whether each of 8 neighbor pixels around the center pixel to be processed has same pixel value to that of said center pixel, in a frame memory (30, 31), so that the chain code is readily obtained.
Claim 20
Dependent Claim
91 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising an adder (26) to which a neighborhood information indicating whether any one of 4 neighborhood pixels has different value from that of the center pixel outputted from said computational portion (3), a labelling number being inputted to the address input of said high speed memory (20), said neighborhood information being integrated within said adder (16) and being accumulated in a address corresponding to said labelling number, so that the peripheral length of each labelling area is calculated.
Claim 21
Dependent Claim
62 words
An image processing system according to Claim 1, said lightly computational portion (21) comprising an adder (26), a labelling number being inputted to an address input of said high speed memory (20) from said computational portion (3), said adder (26) stepwise increases data accumulated in an address corresponding to said labelling number, so that the area of each labelling area is calculated.
Claim 22
Dependent Claim
24 words
An image processing system according to Claim 1, said high speed memory (20) accumulating pixel value in each address corresponding to a color code.
Claim 23
Dependent Claim
95 words
An image processing system according to Claim 1, further comprising T, F, D, and E abstracting means for abstracting the parameter T, F, D and E for calculating Euler number from a set of plurality of bits, said converting portion comprising four converting portions corresponding to said parameters T, F, D and E, said lightly computational portion of each converting portion comprising an adder which integrates one of said parameters T, F, D and E, each of said high speed memory (20) accumulating one of said parameter integrated, so that Euler number is readily calculated.
References Cited (Backward Citations)
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